package com.example.lotterysystem.common.utils;

import com.example.lotterysystem.common.pojo.CommonResult;
import com.fasterxml.jackson.core.JacksonException;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.boot.json.JsonParseException;

import java.util.List;
import java.util.concurrent.Callable;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 25228
 * Date: 2025-06-26
 * Time: 20:23
 */
public class JacksonUtil {
    private JacksonUtil(){

    }

    private final static ObjectMapper OBJECT_MAPPER;

    static {
        OBJECT_MAPPER =new ObjectMapper();
    }

    private static ObjectMapper getObjectMapper(){
        return OBJECT_MAPPER;
    }

    protected static final <T> T tryParse(Callable<T> parser) {
        return tryParse(parser, JacksonException.class);
    }
    private static  <T> T tryParse(Callable<T> parser, Class<? extends Exception> check) {
        try {
            return parser.call();
        } catch (Exception var4) {
            if (check.isAssignableFrom(var4.getClass())) {
                throw new JsonParseException(var4);
            } else {
                throw new IllegalStateException(var4);
            }
        }
    }
    /**
     * 序列化
     */
    public static String writeValueAsString(Object object){
        return JacksonUtil.tryParse(() -> {
            return JacksonUtil.getObjectMapper().writeValueAsString(object);
        });
    }

    /**
     * 反序列化
     */
    public static <T> T readValue(String content,Class<T>  valueType){
        return JacksonUtil.tryParse(() -> {
            return JacksonUtil.getObjectMapper().readValue(content,valueType);
        });
    }

    /**
     * list反序列化
     */
    public static  <T> T readListValue(String content,Class<?> paramClass){
        JavaType javaType=JacksonUtil.getObjectMapper().getTypeFactory()
                .constructParametricType(List.class,paramClass);
        return JacksonUtil.tryParse(()->{
            return JacksonUtil.getObjectMapper().readValue(content,javaType);
        });
    }
}
